1 files changed, 128 insertions, 0 deletions
diff --git a/eelf-logger/eelf-logger-logback-impl/src/main/java/org/onap/dcae/utils/eelf/logger/logback/listener/LogbackStartupListener.java b/eelf-logger/eelf-logger-logback-impl/src/main/java/org/onap/dcae/utils/eelf/logger/logback/listener/LogbackStartupListener.java
new file mode 100644
index 0000000..b02c471
--- /dev/null
+++ b/eelf-logger/eelf-logger-logback-impl/src/main/java/org/onap/dcae/utils/eelf/logger/logback/listener/LogbackStartupListener.java
@@ -0,0 +1,128 @@
+/*
+ * ================================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+
+package org.onap.dcae.utils.eelf.logger.logback.listener;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
+import ch.qos.logback.classic.LoggerContext;
+import ch.qos.logback.classic.spi.LoggerContextListener;
+import ch.qos.logback.core.Context;
+import ch.qos.logback.core.spi.ContextAwareBase;
+import ch.qos.logback.core.spi.LifeCycle;
+import ch.qos.logback.core.status.InfoStatus;
+import ch.qos.logback.core.status.WarnStatus;
+import org.onap.dcae.utils.eelf.logger.api.info.AppLogInfo;
+import org.onap.dcae.utils.eelf.logger.model.spec.AppLogSpecImpl;
+
+
+import java.io.File;
+
+import static org.onap.dcae.utils.eelf.logger.logback.EELFLoggerDefaults.DEFAULT_APP_LOG_INFO;
+import static org.onap.dcae.utils.eelf.logger.logback.utils.LogUtils.APP_LOG_SPEC_KEY;
+import static org.onap.dcae.utils.eelf.logger.logback.utils.LogUtils.CUSTOM_MDC_MAP;
+
+
+/**
+ * Logback Startup Listener is used to inject {@link AppLogInfo}
+ *
+ * @author Rajiv Singla
+ */
+public class LogbackStartupListener extends ContextAwareBase implements LoggerContextListener, LifeCycle {
+
+    private static final String APP_LOG_INFO_KEY_IN_CONTEXT = "APP_LOG_INFO";
+    private static final String CONTEXT_COMPONENT_NAME_PROPERTY_KEY = "componentName";
+    private static final String CONTEXT_MODIFY_WINDOWS_LOG_PATH_PROPERTY_KEY = "modifyLogPathInWindows";
+    private static final String CONTEXT_LOG_DIRECTORY_PROPERTY_KEY = "logDirectory";
+    private static final String CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY = "debugLogDirectory";
+    private static final String CONTEXT_APPEND_DIRECTORY_PROPERTY_KEY = "appendDirectory";
+
+    private boolean started = false;
+
+    @Override
+    public boolean isResetResistant() {
+        return true;
+    }
+
+    @Override
+    public void onStart(final LoggerContext context) {
+
+    }
+
+    @Override
+    public void onReset(final LoggerContext context) {
+
+    }
+
+    @Override
+    public void onStop(final LoggerContext context) {
+
+    }
+
+    @Override
+    public void onLevelChange(final Logger logger, final Level level) {
+
+    }
+
+    @Override
+    public void start() {
+        if (started) {
+            return;
+        }
+
+        Context context = getContext();
+
+        CUSTOM_MDC_MAP.put(APP_LOG_SPEC_KEY, new AppLogSpecImpl(DEFAULT_APP_LOG_INFO));
+        context.putObject(APP_LOG_INFO_KEY_IN_CONTEXT, DEFAULT_APP_LOG_INFO);
+        context.getStatusManager().add(new InfoStatus("Initialized APP LOG INFO", DEFAULT_APP_LOG_INFO));
+
+        // if Component name is not set derive from jar file name
+        if (context.getProperty(CONTEXT_COMPONENT_NAME_PROPERTY_KEY) == null) {
+            final String appName =
+                    new File(getClass().getProtectionDomain().getCodeSource().getLocation().getPath()).getName();
+            context.putProperty(CONTEXT_COMPONENT_NAME_PROPERTY_KEY, appName);
+            context.getStatusManager().add(new WarnStatus(
+                    "No componentName Property found. Deriving it from jar name", appName));
+        }
+
+        // if modify windows log path is enabled - then append target before log directories
+        if (context.getProperty(CONTEXT_MODIFY_WINDOWS_LOG_PATH_PROPERTY_KEY).equalsIgnoreCase("true")) {
+            final String os = System.getProperty("os.name");
+            if (os != null && os.startsWith("Windows")) {
+                final String logDirectory = context.getProperty(CONTEXT_LOG_DIRECTORY_PROPERTY_KEY);
+                final String debugLogDirectory = context.getProperty(CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY);
+                final String appendDir = context.getProperty(CONTEXT_APPEND_DIRECTORY_PROPERTY_KEY);
+                context.putProperty(CONTEXT_LOG_DIRECTORY_PROPERTY_KEY, appendDir + "/" + logDirectory);
+                context.putProperty(CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY, appendDir + "/" + debugLogDirectory);
+            }
+        }
+
+        started = true;
+    }
+
+    @Override
+    public void stop() {
+
+    }
+
+    @Override
+    public boolean isStarted() {
+        return started;
+    }
+}